Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Gac, Poland, where the climate is classified as Dfb—a humid continental zone known for its varying seasonal extremes. Awareness of UV levels is essential for preventing sunburn and protecting skin health, as even moderate UV exposure can pose risks to your skin. With typical peak UV Index values reaching 6 between 11:00 AM and 1:00 PM, it’s vital to stay informed about the daily fluctuations in UV intensity to safeguard yourself against harmful effects. By recognizing and respecting the UV Index in Gac, you can enjoy the sunny days while prioritizing your well-being.
The UV Index begins its day at a low 1 at 7:00 AM, gradually rising as the sun climbs higher in the sky. By 9:00 AM, it reaches 4, signaling that sunscreen and protection are becoming increasingly important. At peak intensity, 11:00 AM to 1:00 PM, the index hits a maximum of 6, highlighting a crucial window for sun safety as UV rays are most potent. As afternoon sets in, the index begins to gracefully descend, falling to 5 at 2:00 PM and tapering off further to 1 by 7:00 PM. This hourly dance of the UV Index reminds us to stay vigilant under the sun, particularly in the midday hours when its power is unwavering.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, seasonal changes in UV exposure significantly impact outdoor activities. From January to February, the UV Index remains low (1-2), allowing for 45 minutes of sun exposure without major concern. As spring approaches, March and April see a rise to moderate levels (4-5), with burn times decreasing to 30 minutes. May and June usher in higher risk, as the UV Index reaches 6-7, and observers should limit sun exposure to 25 minutes. The peak risk occurs in July, with a very high UV Index of 8, where even 15 minutes can lead to sunburn. The trend begins to decline in August and September, falling back to high and moderate levels respectively, allowing for 25-30 minutes of exposure. By October through December, the UV Index drops again to low levels (1-3) with burn times returning to 45 minutes. Visitors and residents are advised to prioritize sun protection, especially during the high-risk months of May through July, by seeking shade, wearing protective clothing, and applying sunscreen regularly.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gac | 1 | 2 | 4 | 5 | 6 | 7 | 8 | 6 | 5 | 3 | 2 | 1 |
| Warsaw UVI | 1 | 2 | 4 | 5 | 6 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Poznan UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| Lodz UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| Wroclaw UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| Krakow UVI | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |